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Sailaufite & Brandtite

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JYJ182837

Sailaufite & Brandtite

Description Tabs

Description
Locality: 
Sailauf, Lower Franconia, Bavaria, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 3 × 2.5 cm
Description

Slightly salmon coloured brandtite associated with calcite and brownish black sailaufite.

Mineral Data
What's on the rock

Sailaufite

Formula: 
(Ca,Na,☐)2Mn3+3(AsO4)2(CO3)O2·3H2O
Strunz: 
8.DH.30
Hardness: 
4.0 - 0.0
Streak: 
Brown
Type Locality: 
Fuchs Quarry, Hartkoppe, Sailauf, Hösbach, Spessart, Franconia, Bavaria, Germany

Brandtite

Formula: 
Ca2(Mn2+,Mg)(AsO4)2·2H2O
Strunz: 
8.CG.10
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Harstigen Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden